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structural chromosomal alterations

Maite Solé
June 21, 2007 08:10PM
Chromosomes within a cell are arranged in sets. Each cell contains 46 chromosomes or 23 sets.
Such sets of chromosomes are classified according to an international nomenclature: from the largest to the smallest, followed by sex-chromosomes.

As you can see, we have:
two number 1 chromosomes,
two number 2 chromosomes,
two number 3 chromosomes,
and so on for all sets.


In structural chromosomal alteracions the chromosomal distribution is correct but a chromosome could be defective because many things can happen to him.

All the things that can happen have different names. If it is missing a tiny part (this alteration is known as "deletion");............................ If it is..........

For further information go to.......www.geneticsmadeeasy.com ............and clik on the following buttons of the index web:

Introduction - The origin of life - Cell specialization - Chromosomes - How do we acquire our inheritance?........- Questions (number 28)

If you click on the different buttons appearing, you will find information, animations and links relating to the subject matters. This information will help you understand what each of the techniques is and what it is used for. Flash Player is required to see the animations. If you do not have this program in your computer, you may download it directly from our homepage.
Subject Author Views Posted

structural chromosomal alterations

Maite Solé 1025 June 21, 2007 08:10PM

Re: structural chromosomal alterations

Zafar Raja 392 April 11, 2010 02:34PM

Re: structural chromosomal alterations

Dr.Jaume Antich 390 April 16, 2010 10:40AM

Re: structural chromosomal alterations

muslih 546 September 15, 2012 11:49AM

Re: structural chromosomal alterations

Muslih 395 March 04, 2011 06:07PM

Re: structural chromosomal alterations

Dr.Jaume Antich 376 May 16, 2011 04:20PM